[PATCH] D44798: [libFuzzer] Use OptForFuzzing attribute with -fsanitize=fuzzer.

[Matt Morehouse via Phabricator via cfe-commits]

morehouse created this revision.
morehouse added reviewers: kcc, vitalybuka.

Disables certain CMP optimizations to improve fuzzing signal under -O1
and -O2.

Switches all fuzzer tests to -O2 except for a few leak tests where the
leak is optimized out under -O2.


https://reviews.llvm.org/D44798

Files:
  clang/lib/CodeGen/CodeGenFunction.cpp
  compiler-rt/test/fuzzer/SimpleCmpTest.cpp
  compiler-rt/test/fuzzer/SwapCmpTest.cpp
  compiler-rt/test/fuzzer/fuzzer-leak.test
  compiler-rt/test/fuzzer/lit.cfg
  compiler-rt/test/fuzzer/trace-malloc-threaded.test

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